I have to admit when I think about it... Wings seems like a PERFECT skill for the whole "Source Skill Split" aspect we talked about earlier.
You know the one... Where you can use all source skills as normal skills... but you can also charge them into their more powerful version?
So the Wings have their normal "Hover above the ground, 1ap single teleport" and then they have their unlimited teleport version.
Though given Scoundrels don't have their winged shoes yet (then again that is a 0ap skill which I hope remains 0ap)